22195754551 has 4 divisors (see below), whose sum is σ = 22284184104. Its totient is φ = 22107325000.

The previous prime is 22195754527. The next prime is 22195754593. The reversal of 22195754551 is 15545759122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15545759122 = 2 ⋅7772879561.

It is a cyclic number.

It is not a de Polignac number, because 22195754551 - 2¹¹ = 22195752503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195754521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44214400 + ... + 44214901.

It is an arithmetic number, because the mean of its divisors is an integer number (5571046026).

Almost surely, 2^22195754551 is an apocalyptic number.

22195754551 is a deficient number, since it is larger than the sum of its proper divisors (88429553).

22195754551 is an equidigital number, since it uses as much as digits as its factorization.

22195754551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88429552.

The product of its digits is 630000, while the sum is 46.

The spelling of 22195754551 in words is "twenty-two billion, one hundred ninety-five million, seven hundred fifty-four thousand, five hundred fifty-one".